Github user maryannxue commented on a diff in the pull request: https://github.com/apache/phoenix/pull/212#discussion_r81201327 --- Diff: phoenix-core/src/main/java/org/apache/phoenix/calcite/CalciteUtils.java --- @@ -1036,4 +1048,40 @@ public Void visitCall(RexCall call) { return null; } } + + public static Object convertLiteral(SqlLiteral literal, PhoenixRelImplementor implementor) { + try { + final SchemaPlus rootSchema = Frameworks.createRootSchema(true); + final FrameworkConfig config = Frameworks.newConfigBuilder() + .parserConfig(SqlParser.Config.DEFAULT) + .defaultSchema(rootSchema).build(); + Planner planner = Frameworks.getPlanner(config); + + SqlParserPos POS = SqlParserPos.ZERO; + final SqlNodeList selectList = + new SqlNodeList( + Collections.singletonList(literal), + SqlParserPos.ZERO); + + + String sql = new SqlSelect(POS, SqlNodeList.EMPTY, selectList, null, null, null, null, --- End diff -- Can we skip making a sql string and parsing again, coz you already have a SqlSelect node? We can go directly to planner.validate() and planner.rel(), right?
--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. ---